DuraVent FasNSeal Flex 4" x 85' Stainless Steel Custom Flex Length light-gray Item Number 8203CAXBX Weight (LBS)

Item Number 8203CAXBX Weight (LBS) 1

meets the strictest building codes

Perfect for enjoying evenings by the fire

Clearance Minimum 3" clearance to combustibles Flue Material 430 Stainless Steel Casing Material Galvanized Steel Warranty

Locking Clamp

DuraVent FasNSeal Flex 4" x 85' Stainless Steel Custom Flex Length light-gray Item Number 8203CAXBX Weight (LBS)Made from super ferritic stainless steel. Corrosion resistant. Manufactured with a sure seal locking seam for superior strength and flexibility. The smooth inner wall provides for no output reduction, allowing for full appliance efficiency, ease of cleaning and regular maintenance. The smooth inner wall optimizes gas flow, minimizes back pressure, and facilitates condensate management. Only flexible chimney liner listed to UL 1738 standard. What's